Magento 2 missing timezone Calendar.php

In Calendar.php in vendor/magento/framework/View/Element/Html add the following on lines ~68:

 protected function _toHtml()
    {
        //$localeData = (new DataBundle())->get($this->_localeResolver->getLocale());
        $localeData = (new DataBundle())->get('en_US');

        // get days names
Code language: PHP (php)